4x8 Walls for sale in Wisconsin.

[made-u-scream-1]

(UPDATE) The walls have been sold, Thanks!!!
We have approx. 400 4x8 walls made with 2x4 and 7/16 OSB construction.
Most are painted black and others with various different paint schemes.
Located in East central Wisconsin, Sheboygan.
Will sell all together or as many as you want.
Asking $10.00 OBO.

[Wickedworld]

Are they single sided or double sided?

[made-u-scream-1]

Are they single sided or double sided?

There are single sided. I have attached a pic of the back side of one wall.
This wall has a hole in it but it shows the construction of the walls.

[Jami-Lee Sullivan]

Are these treated with flame retardant?